Miller Electric OM-1313 manual Table of Contents

Page 3

WARNING

This product, when used for welding or cutting, produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer. (California Health & Safety Code Section 25249.5 et seq.)

The following terms are used interchangeably throughout this manual:

MIG = GMAW

OM1313

TABLE OF CONTENTS

SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING

1

1-1.

Symbol Usage

1

1-2.

Arc Welding Hazards

1

1-3. Additional Symbols For Installation, Operation, And Maintenance

3

1-4.

Principal Safety Standards

3

1-5.

EMF Information

4

SECTION 2 – INSTALLATION

5

2-1.

Specifications

5

2-2.

 

Volt-Ampere Curves

5

2-3. Welding Power Source Duty Cycle And Overheating

6

2-4.

Welding Gun Duty Cycle And Overheating

6

2-5.

Installing Work Clamp

7

2-6.

 

Installing Gas Supply

7

2-7.

Installing Welding Gun

8

2-8.

 

Setting Gun Polarity

8

2-9.

Installing Wire Spool And Adjusting Hub Tension

9

2-10.

Changing Input Voltage

9

2-11.

Electrical Service Guide

10

2-12.

Selecting A Location And Connecting Input Power

10

2-13.

Threading Welding Wire

11

SECTION 3 – OPERATION

13

3-1.

Front Panel Controls

13

3-2.

Weld Parameter Chart

14

SECTION 4 – MAINTENANCE & TROUBLESHOOTING

16

4-1.

Routine Maintenance

16

4-2. Circuit Breakers CB1 And CB2

16

4-3.

Changing Drive Roll And Inlet Wire Guide

16

4-4.

Cleaning Or Replacing Gun Liner

17

4-5.

Replacing Switch And/Or Head Tube

18

4-6.

Replacing Gun Contact Tip

19

4-7.

Troubleshooting

19

SECTION 5 – ELECTRICAL DIAGRAM

20

SECTION 6 – MIG WELDING (GMAW) GUIDELINES

21

6-1. Typical MIG Process Connections

21

6-2. Typical MIG Process Control Settings

22

6-3.

Holding And Positioning Welding Gun

23

6-4.

Conditions That Affect Weld Bead Shape

24

6-5.

Gun Movement During Welding

25

6-6.

Poor Weld Bead Characteristics

25

6-7.

Good Weld Bead Characteristics

25

6-8.

Troubleshooting – Excessive Spatter

26

6-9.

Troubleshooting – Porosity

26

6-10. Troubleshooting – Excessive Penetration

26

6-11.

Troubleshooting – Lack Of Penetration

27

6-12.

Troubleshooting – Incomplete Fusion

27

6-13.

Troubleshooting – Burn-Through

27

6-14.

Troubleshooting – Waviness Of Bead

28

6-15.

Troubleshooting – Distortion

28

6-16.

Common MIG Shielding Gases

29

6-17.

Troubleshooting Guide For Semiautomatic Welding Equipment

29

SECTION 7 – PARTS LIST

32

OPTIONS AND ACCESSORIES

 

WARRANTY

 

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Contents MIG Gmaw Welding Flux Cored Fcaw Welding Arc Welding Power Source Wire FeederVisit our website at SeptemberFrom Miller to You Table of Contents Page OM-1313 Symbol UsageMarks a special safety message Arc Welding HazardsARC Rays can burn eyes and skin Fire or Explosion hazard Principal Safety StandardsAbout Pacemakers EMF InformationInstallation SpecificationsVolt-Ampere Curves Overheating Welding Power Source Duty Cycle And OverheatingExceeding duty cycle can damage unit and void warranty Welding Gun Duty Cycle And OverheatingInstalling Gas Supply Installing Work ClampTools Needed 11/16 Installing Welding GunSetting Gun Polarity Polarity Changeover LabelChanging Input Voltage Installing Wire Spool And Adjusting Hub TensionTurn Off unit, and disconnect input power Reinstall wrapper Tools Needed 7/16Min Grounding Conductor Size In AWG/Kcmil Electrical Service GuideSelecting a Location And Connecting Input Power Input VoltageThreading Welding Wire OM-1313 Operation Front Panel ControlsControls For Standard Units Higher e.g Volts AC Lower e.g Volts AC Weld Parameter ChartOM-1313 Maintenance & Troubleshooting Routine MaintenanceMonths Blow out gun casing Remove liner Cleaning Or Replacing Gun LinerDisconnect gun first Head Tube Remove nozzle, contact tip, and adapterRemove handle locking nut Slide handle Replacing Switch And/Or Head TubeTroubleshooting Replacing Gun Contact TipSee Section Circuit Diagram Electrical DiagramShielding Gas Regulator/ Flowmeter Wire Feeder Power Source Gun Work Clamp WorkpieceMIG Welding Gmaw Guidelines Typical MIG Process ConnectionsSelect Voltage Typical MIG Process Control SettingsWire Recommendation Wire Speed Select Wire SizeHolding And Positioning Welding Gun Short Normal Long Conditions That Affect Weld Bead ShapePush Perpendicular DragPoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting Excessive SpatterTroubleshooting Porosity Troubleshooting Excessive PenetrationTroubleshooting Lack Of Penetration Troubleshooting Incomplete FusionTroubleshooting Burn-Through Troubleshooting Waviness Of Bead Troubleshooting DistortionWeld bead Troubleshooting Guide For Semiautomatic Welding Equipment Common MIG Shielding GasesApplication Drive rolls if necessary Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Welding power sourceOM-1313 Main Assembly Parts ListDia Part Mkgs Description Quantity Center Baffle w/Components Baffle, Center w/Components -1 Item M-15 Gun -1 Item Items IncludesPage Service Your distributor also givesSupport Owner’s Record